Home / 236,652.60-354,902.28-78,844.20

Finding the Fourth Proportional to 236,652.60, 354,902.28 and 78,844.20

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Solution

The fourth proportional to 236,652.60, 354,902.28 and 78,844.20 is: 118,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,652.60 : 354,902.28 = 78,844.20 : x
  2. Step 2: Convert to fraction form
    236,652.60/354,902.28 = 78,844.20/x
  3. Step 3: Cross multiply
    236,652.60x = 354,902.28 × 78,844.20
  4. Step 4: Simplify right side
    236,652.60x = 27,981,986,344.78
  5. Step 5: Solve for x
    x = 27,981,986,344.78/236,652.60
  6. Step 6: Final answer
    x = 118,240.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.